2021
DOI: 10.1093/jrr/rrab035
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Resveratrol protects intestinal epithelial cells against radiation-induced damage by promoting autophagy and inhibiting apoptosis through SIRT1 activation

Abstract: Intrinsic autophagy is important for the maintenance of intestinal homeostasis and intestinal regeneration. Ionizing radiation suppresses intrinsic autophagy and reduces damage-induced regeneration in the intestine, resulting in intestinal injury. Resveratrol, a sirtuin 1 (SIRT1) agonist, promotes autophagy and exerts radioprotective effect. In this study, the protective effect of resveratrol against radiation-induced intestinal injury and its potential mechanism were investigated. Intestinal epithelial cells … Show more

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Cited by 21 publications
(9 citation statements)
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“…Autophagy may partially counteract apoptotic cell death via the cell survival pathway at an earlier stage. Similar results were recently reported in which resveratrol induced SIRT1-dependent autophagy to prevent apoptosis in VSC4.1 motoneurons (Tian et al, 2021), intestinal epithelial cells (Qin et al, 2021) and human trophoblasts (Wang et al, 2020).…”
Section: Discussionsupporting
confidence: 90%
“…Autophagy may partially counteract apoptotic cell death via the cell survival pathway at an earlier stage. Similar results were recently reported in which resveratrol induced SIRT1-dependent autophagy to prevent apoptosis in VSC4.1 motoneurons (Tian et al, 2021), intestinal epithelial cells (Qin et al, 2021) and human trophoblasts (Wang et al, 2020).…”
Section: Discussionsupporting
confidence: 90%
“…SIRT1 is an NAD + -dependent deacetylase involved in the regulation of inflammation, oxidative stress, autophagy, DNA damage repair, cell apoptosis, and cellular senescence ( Zeng et al, 2019 ; Guo et al, 2021 ). In recent studies, it was found that SIRT1 could promote autophagy and inhibit apoptosis, thereby attenuating radiation-induced IEC-6 cell damage and preventing hypoxic heart damage ( Luo et al, 2019 ; Qin et al, 2021 ). Furthermore, Ren et al (2019) reported that appropriate up-regulation of SIRT1 expression could promote autophagy and inhibit apoptosis in OGD/R-induced injury, thereby improving cellular tolerance to OGD/R injury.…”
Section: Discussionmentioning
confidence: 99%
“…Another study found that the mRNA levels of TJ-associated proteins were down-regulated in HFD-induced mice, which can be reversed after resveratrol treatment ( 66 ). In addition, resveratrol can prevent porcine intestinal epithelial cells from deoxynivalenol-induced damage through the Nrf2 signaling pathway ( 69 ), and decrease radiation-induced damage in intestinal epithelial cells via facilitating autophagy and preventing apoptosis by the activation of SIRT1 ( 70 ). Meanwhile, resveratrol can alleviate H 2 O 2 -induced damage through upregulating the expression of tight-junction proteins (occludin, claudin-1, and ZO-1), which depends on the PI3K/Akt-mediated Nrf2 signaling pathway ( 71 ).…”
Section: Resveratrol and Intestinal Barriermentioning
confidence: 99%